2021 MERCEDES-BENZ S-CLASS SALOON LONG lock

1
ßÜLoc ks/unlo cksth eve hicle →
93
2 Adjusts the seats electrically →
118
3 w Switches the seat heating on/o. →
137
4 s Switches the seat ventilation on/o. →
139
5 w Adjusts the front passenger seat from
th e driver's seat →
121
6 V Operates the memory function →
144
7 Í Operates the outside mir rors →
184
8 W Opens/closes theright side window →
104
9 W Opens/closes there ar right side window →
104 A
p Opens/closes the boot lid →
98
B D Rear-window roller sunblind →
113
C S Child saf ety lock forth ere ar side win-
do ws →
86
D Opens the door →
93
E W Opens/closes there ar leT side wind ow→
104
F W Opens/closes the leT side window →
104
G Adjusts the head restraints →
131
H Seat adjustment using the multimedia system →
135 At
a glance – Door operating unit and seat adjustment
17
17

When handling
touch-sensitive user inter face sur-
fa ces, obser vethefo llowing points toavo id prob-
lems operating:
R Do not a1x stic kers or similar objects on the
sur faces
R Keep the sur faces pr otected from moisture
and wet conditions
R Keep the sur faces free of dust and dirt
Some touch-sensitive control elements ha ve a
symbol and integ rated indicator lamps. When
operating, make sure topress on the symbol of
th e control element. Mer
Mer
cedes me App
cedes me App N
No
ot
tes about t
es about t he on-demand f
he on-demand f eature
eatureYo
u can also activate various functions (on-
demand feature) subsequently via Mercedes me
aTer pur chasing your vehicle.
Information is available at any Mercedes-Benz
Se rvice Centre. A
A
ctiv
ctiv ating on-demand f
ating on-demand f eatur
eature using Mer
e using Mer cedes me
cedes me R
R
eq
eq uir
uir ements:
ements:
R The vehicle has GPS reception.
R The vehicle is lin kedto the Mercedes me user
account.
Or
Or der
der ing and activ
ing and activ ating on-demand f
ating on-demand f eature
eature #
Addth e desired on-demand feature forthe
ve hicle tothe shopping bask etinthe
Mercedes me Store. #
Comple tethe order.
The on-demand feature is activated when
operating theve hicle.
Speeding up activ
Speeding up activ ation
ation #
Switch theve hicle o. and lock it. #
ATer about 2 minutes, unlock theve hicle and
switch on theve hicle.
The on-demand feature has been activated.
Fo r some features, a noti/cation also appears
in theve hicle's multimedia system.
If th e activation was not successful, repeat the
process. Oper
Oper
ating safe
ating safe ty
ty &
W
WARNING
ARNING Risk of injury duetomalfunc-
tions or system failure
In order toavo id malfunctions or system fail-
ures: #
Always ha vethe speci/ed service/main-
te nance workas well as any necessary
re pairs car ried out at a quali/ed special-
ist workshop. &
W
WARNING
ARNING Risk of accident or injury due
to improper modi/cations toelectronic
components
Modi/cations toelectronic components, their
soTware or wiring can impair their functional-
ity and/or the functionality of other networ ked
components or saf ety-re leva nt systems.
This can endanger theve hicle's operating
saf ety. #
You must not tamp er with wiring, elec-
tronic components, or their soTware. 26
26
General no
tes

T
T
ec
ec hnology Fr
hnology Freq
eq uency r
uency r angeT r
ang eT ransmission output/magne
ansmission output/magne tic
tic/eld
/eld s
strtr eng th
ength
Ne ar-/eld communication 13.553–13.567 MHz≤ 42 dBμA/m at 10m
Re mo teKeyless Entr y,Garage Door Opener, Tire
Pressure Monitoring 433 MHz (433.05–434.79 MHz)
≤ 10 mW ERP
Block Heater Remo teControl, Garage Door
Opener 868 MHz (868.0–868.6 MHz)≤
25 mW ERP
Block Heater Remo teControl, Garage Door
Opener 869 MHz (868.7–869.2 MHz)≤
25 mW ERP
Blue toot h, Kleer, RLAN, wireless Headphone s2.4 GHz ISM band (2400–2483.5 MHz) ≤ 100 mW EIRP
RLAN 5.1 GHz UNII-1 (5150–5250 MHz)≤ 25 mW EIRP
Interior Monitoring Radar, RLAN 5.8 GHz UNII-3 (5725–5875 MHz)≤ 25 mW EIRP
Re mo teKeyless Entr y7 .25 GHz UWB (6.0–8.5 GHz) ≤ -41.3 dBm/MHz EIRP mean ≤ 0 dBm/MHz
EIRP peak
76 GHz radar 76–77 GHz ≤ 55 dBm peak EIRP32 32
General no
tes

&
W
WARNI NG
ARNI NGRisk of accident due toobjects
in the driver's foot we ll
Objects in the driver's foot we ll may impede
pedal tr avel or block a depressed pedal.
This jeopardises the operating and road saf ety
of theve hicle. #
Stow all objects in theve hicle securely
so that they cannot getinto the driver's
fo ot we ll. #
Always /t the 0oor mats securely and as
prescribed in order toensure that there
is alw ays su1cient room forth e pedals. #
Do not use loose 0oor mats and do not
place 0oor mats on top of one ano ther. *
N NOOTE
TE Battery discharging from using devi-
ces connected tothe diagnostics connec-
tion Using devices at
the diagnostics connection
drains the batter y. #
Check thech arge leve l of the batter y. #
Ifth ech arge leve l is lo w,charge the bat-
te ry, e.g. bydriving a considerable dis-
ta nce. Please also no
tethe information about the 12 V
battery and short-dis tance trips in the "Driving
and Parking" chap ter (/ page 215). Connecting and using ano
ther device with the
diagnostics connection can ha vethefo llowing
e.ects:
R Malfunctions in theve hicle system
R Perm anent damage tovehicle components
Please referto thewa rranty term s and conditions
fo rth is matter.
Moreo ver,connecting equipment tothe diagnos-
tics connection can lead toemissions monitoring
information being reset, forex ample. This may
lead totheve hicle failing tomeet there qu ire-
ments of the next emissions inspection during the
main inspection. Quali/ed
Quali/ed
specialis
specialist w
t work
ork shop
shop
A qu ali/ed specialist workshop has the necessary
special skills, tools and quali/cations tocor rectly
car ryout any necessary workon your vehicle.
This particular lyapplies tosaf ety-re leva nt wo rks.
Alw ays ha vethefo llowing workcar ried out on
yo ur vehicle at a quali/ed specialist workshop:
R Safety-re leva nt wo rks 38
38
General no
tes

&
W
WARNI NG
ARNI NGRisk of injury or dea thwhen
additional restraint systems are not used
fo r persons with a smaller stature
Pe rsons under 1.50 m tall cannot wearthe
seat belt cor rectly without a suitable addi-
tional restraint system. #
Always secure persons under 1.50 m tall
in a suitable restraint system. &
W
WARNING
ARNING Risk of injur y or death due to
bloc ked seat belt buckle or seat belt
anchorage
Objects next tothe front seat that block the
seat belt buckle or the moving seat belt
anchorage on the front seat impair the func-
tion of the seat belt tensioners. #
Before starting the journe y,make sure
th at there are no objects around the seat
belt buckle or between the front seat
and door. &
W
WARNING
ARNING Risk of injury or death due to
damaged or modi/ed seat belts
Seat belts cannot pr ovide pr otection in thefo l-
lowing situations:
R the seat belt is damaged, has been modi-
/ed, is extremely dirty, blea ched or dyed
R the seat belt buckle is damaged or
ex tremely dirty
R modi/cations ha vebeen made tothe seat
belt tensioner, seat belt anchorage or seat
belt retractor
Seat belts may sustain non-visible damage in
an accident, e.g. due toglass splinters.
Modi/ed or damaged seat belts could tear or
fa il in theev ent of an accident, forex ample.
Modi/ed seat belt tensioners could acciden-
ta lly trigger or failto function as intended. #
Never modify the seat belt system, for
ex ample the seat belt, seat belt buckle,
seat belt tensioner, seat belt anchorage
and seat belt retractor. #
Make sure that the seat belts are undam-
aged, not wornand clean. #
Always ha vethe seat belts checked
immediately aTer an accident at a quali-
/ed specialist workshop. Mercedes-Benz
recommends that you use seat
belts which ha vebeen appr ovedfo ryo ur vehicle
by Mercedes-Benz. &
W WARNI NG
ARNI NGRisk of injury or dea thfrom
deplo yedpy rotech nic seat belt tensioners
Pyro tech nic seat belt tensioners that ha ve
been deplo yed are no longer operational and
are unable toper form their intended pr otec-
tive function. #
Therefore, ha vedeplo yedpy rotech nic
seat belt tensioners immedia tely
re placed at a quali/ed specialist work-
shop. Mercedes-Benz
recommends that you ha vethe
ve hicle towe dto aqu ali/ed specialist workshop
aTer an accident. Occupant saf
ety
49
49

*
N
NO
OTE
TE Damage caused bytrapping the
seat belt If an unused seat belt is not fully
retracted, it
may become trapped in the door or in the seat
mechanism. #
Always ensu rethat an unused seat belt
is fully retracted. Inf
Inf
or
ormation on t
mation on t he belt airbag in t
he belt airbag in t he r
he rear seat belt
ear seat belt The BELTB
AGidenti/cation indicates that a rear
seat belt is equipped with a belt airbag.
When activated, the belt airbag increases the pro-
te cted area of theve hicle occupant's ribcage. &
W WARNING
ARNING Risk of injury or death dueto
use of a non-appr ovedch ild restraint sys-
tem
In an accident, the belt airbag may damage a
non-appr oved child restraint system or a child
re straint system which has not been appro ved
fo r use in conjunction with the belt airbag. Fo
r saf etyre asons, Mercedes-Benz recom-
mends that you only use a child restraint sys-
te m which has been tested and appro vedby
Mercedes-Benz in combination with a belt air-
bag. Information on
child restraint systems
(/ page 69). Ext Ext
ending/re
ending/re tr
tracting t
acting t he seat belt e
he seat belt e xt
xtender in t
ender in t he
he
r
r ear
ear The seat belt
extender forth ere ar seat helps you
fa sten your seat belt. #
Close the door.
The seat belt extender extends.
% Ifth eve hicle is equipped with the MBUX Inte-
ri or Assistant, the seat belt extender extends
when youre ach forth e seat belt tongue.
The seat belt extender retracts again in thefo llo w-
ing cases:
R the seat belt tongue is engaged in the seat
belt buckle R
the seat belt tongue is not engaged in the seat
belt buckle within a cer tain time
R there specti vedoor is opened
R a cer tain speed is exceeded aTer pulling away &
W
WARNI NG
ARNI NGRisk of injury or dea thdue to
an extended seat belt extender while the
ve hicle is in motion
If th e seat belt does not sit cor rectly on the
body, it cannot per form its intended pr otective
function. #
Always ensu rethat the seat belt
ex tender is retracted while theve hicle is
in motion. If
th e seat belt extender does not retract automat-
icall y,it can be retracted manuall y.To do so,
press the seat belt extender back as far as it will
go before starting theve hicle. Pressing the seat
belt extender back into place requ ires forc e.
% You can deactivate the seat belt extender.
Ac tivate thech ild saf ety lock forth ere ar side
wind ows (/ page 86). 50
50
Occupant saf
ety

When /tting a
child restraint system tothe
re ar seat, obser vetheve hicle-speci/c infor-
mation (/ page 70). F
F
ast
ast ening and adjus
ening and adjusting seat belts ting seat belts If
th e seat belt is pulled quickly or sharpl y,the
seat belt retractor loc ks. The seat belt strap can-
not be pulled out any fur ther.
V
V ehicles wit
ehicles wit h illuminat
h illuminated design seat belt buc
ed design seat belt buc kles:
kles:
th e illuminated seat belt buckle makes fastening
yo ur seat belt easier in cer tain situations, for
ex ample, when light conditions are poor.
% The illumination on the seat belt buckle does
not indicate that the seat belt buckle is func-
tioning cor rectl y. #
Always engage seat belt tongue 2ofthe seat
belt into seat belt buckle 1ofthe cor re-
sponding seat. #
T
To adjus
o adjust t t the seat belt height
he seat belt height: :press and hold
th e belt guide release and slide seat belt out-
let 3 into the desired position. #
T
To eng
o eng ag
age t
e t he seat belt outlet
he seat belt outlet: :let go of the
belt guide release and ensure that seat belt
outlet 3locksinto position. %
A seat belt can only pr ovide the best le vel of
pr otection if it is worncor rectl y.Obser vethe
no tes on fastening the seat belt (/ page 47).
* N
NOOTE
TE Deployment of components of the
re straint system when the front passenger
seat is unoccupied and a seat belt is
buckled When
the front passenger seat is unoccupied
and the seat belt tongue of the seat belt is
engaged in the seat belt buckle, components
of there straint system ma y deployunnecessa-
ri ly on the front passenger side, e.g. the seat
belt tensioner. #
Only buckle the seat belts as intended. %
Obser vethe no tes on st owage areas
(/ page 148).
Information on /tting a child restraint system
and on children tr avelling in theve hicle can
be found in the "Children in theve hicle" sec-
tion (/ page 70). Occupant saf
ety
51 51

R
R
e
ev
ver
er sing t
sing t he PRE-S
he PRE-S AFE
AFE®
®
syst
syst em measur
em measur es
es If an accident did not occur,
the pre-em ptive
measures that we re ta ken are reve rsed.
Yo u will need toper form certain settings yourself. #
Ifth e seat belt pre-tensioning is not reduced,
mo vethe seat backrest back slightl y.
The locking mechanism releases. F
F
unction of PRE-S
unction of PRE-S AFE
AFE®
®
PL
PL US (anticipat
US (anticipat or
ory occu-
y occu-
pant pr ot
pant pr otection plus)
ection plus) PRE-SAFE
®
PLUS can de tect cer tain impacts, par-
ticular lyan imminent rear impact, and take pre-
em ptive measures toprotect theve hicle occu-
pants. These measures cann otnecessarily pre-
ve nt an imminent impact.
PRE-SAFE ®
PLUS can implement thefo llowing
measures independently of each other:
R Tightening the seat belts on the driver's seat
and front passenger seat.
R Activating there ar hazard warning lights at a
higher 0ashing frequency. R
Increasing brake pressure when theve hicle is
stationar y.This brake application is cancelled
automatically when theve hicle pulls away.
If an accident did not occur, the pre-em ptive
measures that we re ta ken are reve rsed.
Syst
Syst em limits
em limits
The system will not initiate any action in thefo l-
lowing situations:
R when reve rsing
or
R when theve hicle is towing a trailer and there
is a risk of a rear impact
The system will not initiate any braking application
in thefo llowing situations:
R whilst driving
or
R when entering or exiting a parking space while
using Active Parking Assist F F
unction of PRE-S
unction of PRE-S AFE
AFE®
®
Im
Im pulse Side
pulse Side If an imminent side impact is de
tected, PRE-
SA FE®
Impulse Side can pre-em ptively mo vethe
front seat vehicle occupant's upper body towa rds
th e centre of theve hicle. It does this by rapidly
in0ating an air cushion in the outer seat side bol-
ster of the seat backrest on the side on which the
impact is anticipated. This increases the distance
between the door and theve hicle occupant.
V
V ehicles wit
ehicles wit h E-A
h E-ACTIVE BOD
CTIVE BOD Y C
Y CONTR
ONTR OL:
OL:the body
can also be slightly raised.
If PRE-SAFE ®
Impulse Side has been deplo yed or
is faulty, thePRE-SAFE impulse side inoperative
See Owner's Manual (/page 496) display mes-
sage appears. A
A
ut
ut omatic measur
omatic measur es
esaTer
aTer an accident
an accident
Depending on the type and se verity of the acci-
dent, and depending on theve hicle's equipment,
th efo llowing measures can be implemented, for
ex ample:
R automatic braking (post-collision brake) 64
64
Occupant saf
ety